java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/nla-digbench/prod4br.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:50,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:50,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:50,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:50,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:50,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:50,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:50,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:50,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:50,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:50,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:50,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:50,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:50,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:50,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:50,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:50,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:50,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:50,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:50,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:50,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:50,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:50,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:50,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:50,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:50,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:50,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:50,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:50,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:50,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:50,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:50,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:50,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:50,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:50,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:50,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:50,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:50,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:50,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:50,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:50,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:50,460 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:50,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:50,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:50,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:50,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:50,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:50,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:50,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:50,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:50,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:50,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:50,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:50,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:50,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:50,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:50,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:50,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:50,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:50,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:50,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:50,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:50,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:50,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:50,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:50,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:50,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:50,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:50,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:50,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:50,774 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:50,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/prod4br.c [2019-10-15 04:44:50,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d206e9f5/28da3908a16541a3bb7a456af96f01b6/FLAG56a33bb04 [2019-10-15 04:44:51,343 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:51,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/prod4br.c [2019-10-15 04:44:51,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d206e9f5/28da3908a16541a3bb7a456af96f01b6/FLAG56a33bb04 [2019-10-15 04:44:51,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d206e9f5/28da3908a16541a3bb7a456af96f01b6 [2019-10-15 04:44:51,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:51,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:51,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:51,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:51,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:51,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a8eca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51, skipping insertion in model container [2019-10-15 04:44:51,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:51,755 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:51,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:51,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,958 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:51,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:51,993 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:51,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51 WrapperNode [2019-10-15 04:44:51,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:51,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:51,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:51,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:52,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... [2019-10-15 04:44:52,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:52,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:52,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:52,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:52,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:52,385 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:52,386 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:52,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:52 BoogieIcfgContainer [2019-10-15 04:44:52,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:52,388 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:52,388 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:52,388 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:52,389 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:52" (1/1) ... [2019-10-15 04:44:52,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:52,562 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:55,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:55,958 INFO L272 AbstractInterpreter]: Visited 32 different actions 421 times. Merged at 14 different actions 107 times. Widened at 3 different actions 6 times. Performed 748 root evaluator evaluations with a maximum evaluation depth of 12. Performed 748 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 43 fixpoints after 5 different actions. Largest state had 9 variables. [2019-10-15 04:44:55,959 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:55,963 INFO L168 Benchmark]: Toolchain (without parser) took 4222.80 ms. Allocated memory was 137.9 MB in the beginning and 373.3 MB in the end (delta: 235.4 MB). Free memory was 102.5 MB in the beginning and 347.0 MB in the end (delta: -244.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:55,964 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:55,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.31 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 91.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:55,968 INFO L168 Benchmark]: Boogie Preprocessor took 109.53 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 91.8 MB in the beginning and 179.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:55,971 INFO L168 Benchmark]: RCFGBuilder took 282.90 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 166.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:55,973 INFO L168 Benchmark]: Abstract Interpretation took 3570.94 ms. Allocated memory was 200.8 MB in the beginning and 373.3 MB in the end (delta: 172.5 MB). Free memory was 165.4 MB in the beginning and 347.0 MB in the end (delta: -181.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:55,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.31 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 91.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.53 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 91.8 MB in the beginning and 179.1 MB in the end (delta: -87.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.90 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 166.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3570.94 ms. Allocated memory was 200.8 MB in the beginning and 373.3 MB in the end (delta: 172.5 MB). Free memory was 165.4 MB in the beginning and 347.0 MB in the end (delta: -181.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L15] int x, y; [L16] int a, b, p, q; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L22] a = x [L23] b = y [L24] p = 1 [L25] q = 0 [L27] COND TRUE 1 [L28] CALL __VERIFIER_assert(q + a * b * p == x * y) [L7] COND TRUE !(cond) [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...